nodejs-mixin-deep: Prototype pollution via merging functions
Published Jun 7, 2018
8.8
HIGHCVSS 3.1
EPSS 2.12%
Description
mixin-deep node module before 1.3.1 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
Affected products
-
- Version Versions before 1.3.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | Mixin-Deep Node Module | n/a |
|
- < 1.3.1
No data.
Logging Subsystem for Red Hat OpenShift
openshift-logging/kibana6-rhel8
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Logging Subsystem for Red Hat OpenShift | openshift-logging/kibana6-rhel8 | Not affected | n/a |
mixin-deep
npm
Introduced 0 Fixed 1.3.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | mixin-deep | 0 | 1.3.1 |
Remediation
Red Hat statement
In Red Hat OpenShift Logging the openshift-logging/kibana6-rhel8 container bundles many nodejs packages as a build time dependencies, including the mixin-deep package. The vulnerable code is not used hence the impact to OpenShift Logging by this vulnerability is Low.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.12% (0.02123) | 81.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.12% (0.02123) | 79.43th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.27% (0.00268) | 47.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.54% (0.01538) | 69.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.27% (0.00268) | 48.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00098) | 42.43th | v3 (v2023.03.01) |
| Oct 28, 2023 | 0.10% (0.00098) | 40.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00087) | 35.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.03% (0.09029) | 94.14th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.74% (0.02742) | 0.00th | v1 |
References (9)
- https://access.redhat.com/security/cve/CVE-2018-3719 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1576648 Issue Tracking
- https://github.com/advisories/GHSA-3mpr-hq3p-49h9 Advisory
- https://github.com/jonschlinkert/mixin-deep/commit/578b0bc5e74e14de9ef4975f504dc698796bdf9c x_refsource_MISCPatchThird Party Advisory
- https://hackerone.com/reports/311236 x_refsource_MISCExploitThird Party Advisory
- https://nodesecurity.io/advisories/578
- https://nvd.nist.gov/vuln/detail/CVE-2018-3719
- https://www.cve.org/CVERecord?id=CVE-2018-3719
- https://www.npmjs.com/advisories/578
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-3719 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1576648 | Issue Tracking | |
| https://github.com/advisories/GHSA-3mpr-hq3p-49h9 | Advisory | |
| https://github.com/jonschlinkert/mixin-deep/commit/578b0bc5e74e14de9ef4975f504dc698796bdf9c | x_refsource_MISCPatchThird Party Advisory | |
| https://hackerone.com/reports/311236 | x_refsource_MISCExploitThird Party Advisory | |
| https://nodesecurity.io/advisories/578 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-3719 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-3719 | ||
| https://www.npmjs.com/advisories/578 |
Change history (0)
No recorded changes yet.